sistem 4d4D Sistem Logitech iş ortaklığı ile satışı yapılan Rally Plus ve Meet-up görüntülü konferans çözümleri ; Google Hangouts Meet, Microsoft Skype Kurumsal , Microsoft Teams ve ZoomThe number of possible permutations for a given 4D number depends on the number of unique dits in the 4D number as shown in the table below. Number of Unique Dits in the 4D